Hau-coder
diff --git a/‎Cargo.lock
+17 b/‎Cargo.lock
+17
diff --git a/‎tests/snippets/strings.py
+25 b/‎tests/snippets/strings.py
+25
diff --git a/‎vm/Cargo.toml
+1 b/‎vm/Cargo.toml
+1
@@ -32,6 +32,14 @@
 assert not a.startswith('f')
 assert a.endswith('llo')
 assert not a.endswith('on')
+assert a.zfill(8) == '000Hallo'
+assert a.isalnum()
+assert not a.isdigit()
+assert not a.isnumeric()
+assert a.istitle()
+assert a.isalpha()
+
+
 
 b = '  hallo  '
 assert b.strip() == 'hallo'
@@ -40,6 +48,23 @@
 
 c = 'hallo'
 assert c.capitalize() == 'Hallo'
+assert c.center(11, '-') == '---hallo---'
+# assert c.isascii()
+assert c.index('a') == 1
+assert c.rindex('l') == 3
+assert c.find('h') == 0
+assert c.rfind('x') == -1
+assert c.islower()
+assert c.title() == 'Hallo'
+assert c.count('l') == 2
+
+assert '   '.isspace()
+assert 'hello\nhallo\nHallo'.splitlines() == ['hello', 'hallo', 'Hallo']
+assert 'abc\t12345\txyz'.expandtabs() == 'abc     12345   xyz'
+assert '-'.join(['1', '2', '3']) == '1-2-3'
+assert 'HALLO'.isupper()
+assert "hello, my name is".partition("my ") == ('hello, ', 'my ', 'name is')
+assert "hello, my name is".rpartition("is") == ('hello, my name ', 'is', '')
 
 # String Formatting
 assert "{} {}".format(1,2) == "1 2"
 
@@ -17,3 +17,4 @@ serde_json = "1.0.26"
 byteorder = "1.2.6"
 regex = "1"
 statrs = "0.10.0"
+caseless = "0.2.1"